The future “language” in the film. The difference between accent and dialect. how languages change over time, by example. Trying to understand original spoken Shakespeare and generally succeeding. Trying to understand original spoken Beowulf and completely failing. The mutual intelligibility of Old Norse and Old English.

Creatures

Surprise! There are aliens and they want to kill us. Engineered animal-weapons (the “Ursa”). Improving the Ursa design: giving guns to blind animals for fun and profit. Komodo dragon-mode leeches. Evolving from parasite to hunter. The combat techniques of butt-spiking murderbirds (shrikes).